Sanitary napkin



FIG. 1 is a perspective view of a sanitary napkin, showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirror image; and,

FIG. 5 is a front side view thereof, the back side view being a mirror image.

The broken lines showing of the outer portion of the sanitary napkin depict the environment of the claimed design, and form no part of the claim. 

The ornamental design for a sanitary napkin, as shown and described. 